231032303 has 2 divisors, whose sum is σ = 231032304. Its totient is φ = 231032302.

The previous prime is 231032293. The next prime is 231032311. The reversal of 231032303 is 303230132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231032303 - 2⁴ = 231032287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231032323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115516151 + 115516152.

It is an arithmetic number, because the mean of its divisors is an integer number (115516152).

Almost surely, 2^231032303 is an apocalyptic number.

231032303 is a deficient number, since it is larger than the sum of its proper divisors (1).

231032303 is an equidigital number, since it uses as much as digits as its factorization.

231032303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 231032303 is about 15199.7468071018. The cubic root of 231032303 is about 613.6078435715.

Adding to 231032303 its reverse (303230132), we get a palindrome (534262435).

The spelling of 231032303 in words is "two hundred thirty-one million, thirty-two thousand, three hundred three".